All credit to Scourge

https://backpack.tf/profiles/76561198852631417#!/compare/1642550400/1642636800

https://backpack.tf/profiles/76561198850274253#!/compare/1642464000/1642550400

QS

https://backpack.tf/profiles/76561198850274253#!/compare/1642550400/1642636800

https://backpack.tf/profiles/76561198816075465#!/compare/1642464000/1642636800

Untrace, keys do not match.

https://backpack.tf/profiles/76561198056397120#!/compare/1638489600/1638662400

https://backpack.tf/profiles/76561198057275188#!/compare/1638576000/1638662400

https://backpack.tf/profiles/76561198044427540#!/compare/1638316800/1638662400

Sold for 49 keys(used in a group of 125 to buy the Beams Hellmet, keys came from selling 3 items on buyers side)

https://backpack.tf/profiles/76561198337734785#!/compare/1641859200/1641945600

https://backpack.tf/profiles/76561198214895220#!/compare/1641859200/1641945600

Keys, can't trace.

https://backpack.tf/profiles/76561198002757046#!/compare/1637452800/1637539200

https://backpack.tf/profiles/76561198132113819#!/compare/1637452800/1637539200

Sold with Perennial Fried Batter for 3 Unusual Weapon Skins.

Sellers on Perennial are down to ~16 keys,

buy orders totaled together on skins equal upwards of 90 keys.

https://backpack.tf/classifieds?item=War%20Paint&quality=15&texture_name=Kiln%20and%20Conquer&wear_tier=2&killstreak_tier=0&particle=703

https://backpack.tf/classifieds?item=Grenade%20Launcher&quality=15&texture_name=Death%20Deluxe&wear_tier=3&killstreak_tier=2&particle=703

https://backpack.tf/classifieds?item=Stickybomb+Launcher&quality=11

Easily caps at buyout.

https://gladiator.tf/listings/619b1e5bd1a560af511b4098

B/O of ~50 keys

https://backpack.tf/profiles/76561198132113819#!/compare/1637452800/1637539200

https://backpack.tf/profiles/76561199132665029#!/compare/1637539200/1637625600

QS for keys almost immediately after.

https://backpack.tf/profiles/76561198114402400#!/compare/1640044800/1640131200

https://backpack.tf/profiles/76561198065749444#!/compare/1640131200/1640217600

Sold for Blizzardy Brim Full(30) + 32 keys

Total is 62 keys

https://gladiator.tf/listings/61c0b58ada6b373f05ca98a0

B/O of 70 keys

https://backpack.tf/profiles/76561198337734785#!/compare/1637539200/1637625600

https://backpack.tf/profiles/76561198076403312#!/compare/1636502400/1638316800

Sold for keys, likely.

https://gladiator.tf/listings/619c564c76a3fe8d8bd9a92f

B/O of ~49 keys

https://backpack.tf/profiles/76561198048218848#!/compare/1636502400/1636588800

https://backpack.tf/profiles/76561199124965533#!/compare/1636588800/1636675200

QS

https://backpack.tf/profiles/76561199124965533#!/compare/1636588800/1636675200

https://backpack.tf/profiles/76561199197771978#!/compare/1636588800/1636675200

Untrace

https://backpack.tf/profiles/76561198124591302#!/compare/1642204800/1642377600

https://backpack.tf/profiles/76561198140316312#!/compare/1642118400/1642204800

Bulk

https://backpack.tf/profiles/76561198140316312#!/compare/1642809600/1642896000

https://backpack.tf/profiles/76561197994734231#!/compare/1642809600/1642896000

Sold for Neutron Bomber

use there

https://gladiator.tf/listings/61ec33763021cb8561b96e23

B/O of 60 keys

https://backpack.tf/profiles/76561197975933774#!/compare/1638748800/1638835200

https://backpack.tf/profiles/76561199119484218#!/compare/1638748800/1638835200

QS

https://backpack.tf/profiles/76561199119484218#!/compare/1638748800/1638835200

https://backpack.tf/profiles/76561198328282971#!/compare/1638748800/1638835200

Transfer

https://backpack.tf/profiles/76561198328282971#!/compare/1642896000/1642982400

https://backpack.tf/profiles/76561198078952900#!/compare/1642982400/1643241600

Sold for 55 keys

https://marketplace.tf/items/tf2/631;5;u16

$105 / $1.83 = 57.38 keys < https://backpack.tf/item/10811998687

$105 / $1.83 = 57.38 keys < https://backpack.tf/item/8849482726

Total sales @:

49, 50, 55, 57, 57, 62 keys

https://gladiator.tf/listings/61e0e88518ef60664dd75584

Seller for a few weeks at 60 keys,

buyers up to 44, 46 keys,

given 50 capped resold as a QS soon after,

calling 62 high,

taking 49 - 57 keys